t7508-status: status --porcelain ignores relative paths setting

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7508-status.sh

@@ -297,6 +297,24 @@ test_expect_success 'status -s with relative paths' '
 
 '
 
+cat > expect << \EOF
+ M dir1/modified
+A  dir2/added
+?? dir1/untracked
+?? dir2/modified
+?? dir2/untracked
+?? expect
+?? output
+?? untracked
+EOF
+
+test_expect_success 'status --porcelain ignores relative paths setting' '
+
+	(cd dir1 && git status --porcelain) > output &&
+	test_cmp expect output
+
+'
+
 cat > expect << \EOF
 # On branch master
 # Changes to be committed: